RFR: 8369609: calls from Continuations to invalidate_jvmti_stack must be more accurate [v5]

[David Holmes]

On Fri, 24 Oct 2025 09:55:22 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

>> This is a simple fix is to make calls to `invalidate_jvmti_stack()` from Contunuations code more accurate. We need these calls for pure/plain continuations only which are not executed in a context of virtual threads.
>> 
>> Testing:
>> - TBD: Run mach5 tiers 1-6
>
> Serguei Spitsyn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   remove unintentionally added new empty line

Thanks. PR description is okay. JBS still a little confusing. :)

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27878#pullrequestreview-3397773998